Suggested by a Philips documentation from 1970, this circuit uses period components, operating at 50 Hz. The current consumed is 10 A and the input voltage is 12 V.
This circuit for the positive front of a rectangular signal was found in an old documentation, but applies...
Found in a 1966 American publication, this circuit generates a 25 MHz rectangular signal for...
This circuit is from an old Signetics documentation. It can be implemented with modern operational...